Finding the Third Proportional to 227,388 and 318,066

Step by Step Solution

1. Step 1: Write the proportion equation
   227,388 : 318,066 = 318,066 : x
2. Step 2: Convert to fraction form
   227,388/318,066 = 318,066/x
3. Step 3: Cross multiply
   227,388x = 318,066 × 318,066
4. Step 4: Simplify right side
   227,388x = 101,165,980,356
5. Step 5: Solve for x
   x = 101,165,980,356/227,388
6. Step 6: Final answer
   x = 444,904.66